5.15.5. Removal and installation of thermoscreens

In operating time of the engine the system of production of the fulfilled gases heats up to high temperature. Therefore at strong mechanical damage or considerable corrosion of thermoscreens surely replace them. Besides decrease in level of comfort in salon, the body floor thermonoise isolation can lead malfunction of thermoscreens to ignition.
You will need a face head "on 10".
1. Turn off two forward nuts of fastening of the forward thermoscreen.
2. Turn off two nuts of fastening of thermoscreens in a middle part of a body and remove the forward thermoscreen.
3. Turn off two nuts of fastening in a back part of a body …
4. … also remove the back thermoscreen.
5. Install thermoscreens upside-down.